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Key terms, defined

A plain-English guide to the terms that come up across our work — the framework, the institutions, and the language of how technology actually reaches the field.

Critical and Emerging Technologies (CET)

The advanced technology areas the U.S. government considers most vital to national security and economic competitiveness — including artificial intelligence, quantum, biotechnology, advanced manufacturing, directed energy, and hypersonics. The official CET list is maintained by the White House National Science and Technology Council and guides federal R&D funding, export controls, and defense priorities. CET Ventures takes its name and strategy from this framework.

CFIUS — Committee on Foreign Investment in the United States

An interagency U.S. government body that reviews certain foreign investments in U.S. businesses for national-security risk. It can clear a transaction, require mitigation measures, or recommend that the President block or unwind it. For cross-border defense technology, anticipating CFIUS early is essential to a clean entry into the U.S. market.

DIU — Defense Innovation Unit

A U.S. Department of Defense organization created in 2015 to accelerate the adoption of commercial and dual-use technology for military missions. It uses faster, more flexible contracting — such as Other Transaction Authority — to move from problem statement to prototype to scaled production more quickly than traditional acquisition.

TRL — Technology Readiness Level

A 1–9 scale measuring how mature a technology is, from basic research (1) to proven in operation (9). CET Ventures focuses on TRL 5–8: technologies validated in a relevant or operational environment, past the lab and ready for real-world testing, validation, and adoption within defense programs — the point where capital and commercialization expertise have the most leverage.

The “valley of death”

The gap between a promising prototype and a funded program of record. Research funding has ended, but program dollars and end-user commitment have not yet arrived — and many capable technologies stall here. Bridging it requires aligning product roadmaps with mission needs and navigating procurement.

Dual-use technology

Technology with both civilian and military applications — for example, autonomy, advanced sensing, or AI. Dual-use companies can sell into commercial and defense markets at once, which widens their customer base and reduces reliance on government budget cycles.

Adversarial capital

Investment or funding that originates from — or is ultimately controlled by — foreign adversaries (for example, entities tied to China, Russia, or Iran). Even a minority stake can disqualify a company from sensitive U.S. defense work or trigger CFIUS scrutiny. CET Ventures and The CET Sandbox vet companies to ensure they are free from adversarial capital, so promising technology can enter the U.S. market cleanly.

Program of record

A defense capability that has been formally approved, funded, and budgeted within the U.S. acquisition system. Reaching a program of record means stable, multi-year government funding — the milestone that separates a successful pilot from a durable business.

Defense Industrial Base (DIB)

The network of companies, suppliers, and institutions that research, develop, and produce defense capabilities for the U.S. military. Entering the DIB means meeting its security, compliance, and procurement requirements.

Non-recurring engineering (NRE)

One-time engineering costs to design, develop, and adapt a product for a specific customer or program — common in defense, where a capability must be tailored to a mission. Converting NRE into a recurring program of record is how early defense revenue becomes durable revenue.